how to datagrid in instert update delete ? C# Datagrid Access

  public Form1()
        {
            InitializeComponent();
        }

        OleDbConnection bag = new OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0; Data Source=db1.mdb");
        DataTable tablo = new DataTable();
        DataSet komut = new DataSet();
        OleDbDataAdapter adtr = new OleDbDataAdapter(); 

        //7private void AyGetir()
        //{
          //  OleDbCommand Aylar = new OleDbCommand("select * from Aylar ",bag);
            //OleDbDataReader Ayoku = Aylar.ExecuteReader();
           // while (Ayoku.Read())
           // {
           //     Aylar.Items.Add(urunoku.GetString(0));
           // }
       // }
        private void Form1_Load(object sender, EventArgs e)
        {
            // TODO: This line of code loads data into the 'db1DataSet.Girdi' table. You can move, or remove it, as needed.
            //this.girdiTableAdapter.Fill(this.db1DataSet.Girdi);

            bag.Open();
            
            OleDbDataAdapter adtr1 = new OleDbDataAdapter("select * From Aylar", bag);
            DataTable dt = new DataTable();
            adtr1.Fill(dt);
            comboBox1.DataSource = dt;
            comboBox1.ValueMember = "Kimlik";    // burada combobox ın value memberını yani değer parametresini veritabanındaki id alanından almasını istedim.
            comboBox1.DisplayMember = "Ay";

            bag.Close();
           // dateTimePicker1.Value = Convert.ToDateTime(dataGridView1.CurrentRow.Cells[0].Value);
            bag.Open();

            OleDbCommand cmd = new OleDbCommand("select * From Girdi Where Aylar='" + comboBox1.Text + "'", bag);
            OleDbDataAdapter adtr = new OleDbDataAdapter(cmd);
            DataSet komut = new DataSet();
            adtr.Fill(komut,"tablo");
            dataGridView1.DataSource = tablo;
            dataGridView2.DataSource = tablo;
            adtr.Dispose();
            bag.Close();
            dataGridView1.DataSource = komut;
            dataGridView1.DataMember = "tablo";
            dataGridView1.Columns["Kimlik"].Visible = false;
            dataGridView1.Columns["Aylar"].HeaderText = "Aylar";
            dataGridView1.Columns["Tarih"].HeaderText = "Tarih";
            dataGridView1.Columns["Girdi_Aciklama"].HeaderText = "Açıklama";
            dataGridView1.Columns["Girdi_Evrak"].HeaderText = "Evrak";
            dataGridView1.Columns["Girdi_Tutar"].HeaderText = "Tutar";
            dataGridView1.Columns["Cikti_Tarih"].Visible = false;
            dataGridView1.Columns["Cikti_Aciklama"].Visible = false;
            dataGridView1.Columns["Cikti_Evrak"].Visible = false;
            dataGridView1.Columns["Cikti_Tutar"].Visible = false;
            dataGridView2.DataSource = komut;
            dataGridView2.DataMember = "tablo";
            dataGridView2.Columns["Kimlik"].Visible = false;
            dataGridView2.Columns["Tarih"].Visible = false;
            dataGridView2.Columns["Girdi_Aciklama"].Visible = false;
            dataGridView2.Columns["Girdi_Evrak"].Visible = false;
            dataGridView2.Columns["Girdi_Tutar"].Visible = false;
            dataGridView2.Columns["Aylar"].HeaderText = "Aylar";
            dataGridView2.Columns["Cikti_Tarih"].HeaderText = "Tarih";
            dataGridView2.Columns["Cikti_Aciklama"].HeaderText = "Açıklama";
            dataGridView2.Columns["Cikti_Evrak"].HeaderText = "Evrak";
            dataGridView2.Columns["Cikti_Tutar"].HeaderText = "Tutar";
            dataGridView1.Columns["Aylar"].Width = 50;
            dataGridView1.Columns["Tarih"].Width = 100;
            dataGridView1.Columns["Girdi_Aciklama"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView1.Columns["Girdi_Evrak"].Width = 60;
            dataGridView1.Columns["Girdi_Tutar"].Width= 100;
            dataGridView2.Columns["Aylar"].Width = 50;
            dataGridView2.Columns["Tarih"].Width = 100;
            dataGridView2.Columns["Cikti_Aciklama"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView2.Columns["Cikti_Evrak"].Width = 60;
            dataGridView2.Columns["Cikti_Tutar"].Width = 100;

        }

        private void button1_Click(object sender, EventArgs e)
        {
            
            foreach (DataGridViewRow Satir in dataGridView1.Rows)
            {
               
           DataSet komut = new DataSet();
           if (bag.State == ConnectionState.Closed) 
           bag.Open(); 
           OleDbCommand Ckomut = new OleDbCommand("Update Girdi set Aylar='" + comboBox1.Text + "' ,Tarih= '" +Satir.Cells["Tarih"] + "' where Aylar='" + comboBox1.Text + "'", bag);
            Ckomut.ExecuteNonQuery();
            dataGridView1.Update();
            bag.Close();
        }
        MessageBox.Show("kayıt güncellendi"); 

}</pre>
I've tried them did not